EP1387955B1 - Tragkonstruktion für den stator eines ringgenerators einer windturbine - Google Patents

Tragkonstruktion für den stator eines ringgenerators einer windturbine Download PDF

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Publication number
EP1387955B1
EP1387955B1 EP02745229A EP02745229A EP1387955B1 EP 1387955 B1 EP1387955 B1 EP 1387955B1 EP 02745229 A EP02745229 A EP 02745229A EP 02745229 A EP02745229 A EP 02745229A EP 1387955 B1 EP1387955 B1 EP 1387955B1
Authority
EP
European Patent Office
Prior art keywords
stator
support arms
supporting construction
ring generator
support structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02745229A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1387955A1 (de
Inventor
Aloys Wobben
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1387955A1 publication Critical patent/EP1387955A1/de
Application granted granted Critical
Publication of EP1387955B1 publication Critical patent/EP1387955B1/de
Priority to CY20091100353T priority Critical patent/CY1108926T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the present invention relates to a wind turbine with a support structure for the stator of a ring generator, wherein the support structure has a plurality of support arms.
  • a support structure with axially extending support arms is from the document U.S. Patent 5,844,341 known.
  • Such wind turbines have been known for a long time and are used e.g. manufactured and sold by the company Enercon under the type designations E40, E-58 or E-66.
  • the object of the present invention is therefore to reduce the emanating from a wind turbine according to the preamble of the claim noise emissions.
  • FIG. 1 shows a support structure with six radially extending support arms 12, the outer portions are arranged at equal distance from each other. At these outer portions of the stator 10 of a ring generator is attached. This stator 10 is indicated in the figure by dashed lines.
  • a support structure can distributed over the circumference 12 between the support arms 12 vibrations form. Due to the uniform distance between the support arms 12 and thus each matching wavelength of the vibrations 20, there may be an effect called "drum effect". Decisive for the sound emission, however, are the formation of eigenmodes (eigenmodes), which can form upon excitation with a certain oscillation. These eigenmodes are regularly dependent or determined by the geometry of the entire object.
  • FIG. 2 shows in an alternative representation of the situation in the known support structure.
  • the vibrations 20 are shown contiguous over the circumference of the support structure with the support arms 12. Offset by half a period, the oscillations are shown in a dashed line and denoted by the reference numeral 20a.
  • FIG. 3 shows simplified a support structure according to the invention. This has an odd number of support arms 12 (seven in this case). Of course, the object of the present invention can be achieved with five support arms, for reasons of the required strength of the support structure preferably at least seven support arms 12 are used.
  • the stator 10 of the ring generator is indicated by dashed lines.
  • FIG. 4 shows, too FIG. 2 , a representation of the vibrations that are connected to each other over the circumference of the supporting structure.
  • the reference numeral 20 again denotes a sequence of oscillation sequences
  • the reference numeral 20a likewise represents these oscillation sequences, but offset by half a period with respect to the oscillations denoted by 20.
  • the vibrations denoted by 20 show three complete oscillation periods in the sections 21, 22, 23, whereas in the section 24 only half a period occurs.
  • eigenmodes eigenmodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Rolling Contact Bearings (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
EP02745229A 2001-05-03 2002-04-12 Tragkonstruktion für den stator eines ringgenerators einer windturbine Expired - Lifetime EP1387955B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CY20091100353T CY1108926T1 (el) 2001-05-03 2009-03-24 Φερουσα κατασκευη για τον στατη δακτυλιοφορου γεννητριας αιολικου στροβιλου

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10121647 2001-05-03
DE10121647 2001-05-03
DE10128438 2001-06-12
DE10128438A DE10128438B4 (de) 2001-05-03 2001-06-12 Windenergieanlage
PCT/EP2002/004108 WO2002090769A1 (de) 2001-05-03 2002-04-12 Tragkonstruktion für den stator eines ringgenerators einer windturbine

Publications (2)

Publication Number Publication Date
EP1387955A1 EP1387955A1 (de) 2004-02-11
EP1387955B1 true EP1387955B1 (de) 2008-12-24

Family

ID=26009224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02745229A Expired - Lifetime EP1387955B1 (de) 2001-05-03 2002-04-12 Tragkonstruktion für den stator eines ringgenerators einer windturbine

Country Status (18)

Country Link
US (1) US7795751B2 (es)
EP (1) EP1387955B1 (es)
JP (1) JP2004522053A (es)
KR (1) KR20030087660A (es)
CN (1) CN1238633C (es)
AR (1) AR033316A1 (es)
AT (1) ATE418677T1 (es)
AU (1) AU2002316847B2 (es)
BR (1) BR0209228B1 (es)
CA (1) CA2445595C (es)
CY (1) CY1108926T1 (es)
DE (2) DE10128438B4 (es)
DK (1) DK1387955T3 (es)
ES (1) ES2319969T3 (es)
NO (1) NO328160B1 (es)
NZ (1) NZ528971A (es)
PT (1) PT1387955E (es)
WO (1) WO2002090769A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7431567B1 (en) 2003-05-30 2008-10-07 Northern Power Systems Inc. Wind turbine having a direct-drive drivetrain
DE102015212452A1 (de) 2015-07-02 2017-01-05 Wobben Properties Gmbh Trägerelement, insbesondere Statorträger-Element und/oder Läuferträger-Element, System von Trägerelementen, Generatorträger, Generator, Generator-Tragsystem, Gondel einer Windenergieanlage, Windenergieanlage und Verfahren zur Montage eines Generator-Tragsystems
DE102015212453A1 (de) 2015-07-02 2017-01-05 Wobben Properties Gmbh Trägerelement, insbesondere Statorträger-Element und/oder Läuferträger-Element, System von Trägerelementen, Generatorträger, Generator, Generator-Tragsystem, Gondel einer Windenergieanlage, Windenergieanlage und Verfahren zur Montage eines Generator-Tragsystems

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Also Published As

Publication number Publication date
PT1387955E (pt) 2009-03-26
CA2445595A1 (en) 2002-11-14
DE10128438B4 (de) 2006-09-28
DK1387955T3 (da) 2009-03-23
EP1387955A1 (de) 2004-02-11
AR033316A1 (es) 2003-12-10
KR20030087660A (ko) 2003-11-14
CN1505736A (zh) 2004-06-16
NO328160B1 (no) 2009-12-21
NO20034870D0 (no) 2003-10-31
WO2002090769A1 (de) 2002-11-14
BR0209228B1 (pt) 2012-02-07
US7795751B2 (en) 2010-09-14
CN1238633C (zh) 2006-01-25
CY1108926T1 (el) 2014-07-02
BR0209228A (pt) 2004-06-15
ATE418677T1 (de) 2009-01-15
AU2002316847B2 (en) 2006-08-31
CA2445595C (en) 2006-11-14
ES2319969T3 (es) 2009-05-18
NO20034870L (no) 2003-12-23
DE50213152D1 (de) 2009-02-05
DE10128438A1 (de) 2002-11-21
US20040169375A1 (en) 2004-09-02
JP2004522053A (ja) 2004-07-22
NZ528971A (en) 2006-11-30

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